Synthesis form micelles. Medical search. Frequent questions

In this method, metal ions including Pd, Pt, Ru and Ag are reduced to zero-valence atoms by self-generated long carbon-chain alcohol inside the micellar core and then hydrophilic metal nanoparticles form. (ncl.edu.tw)
Besides, when hydrophilic Pt nanoparticles prepared by this synthesis method are tried to be activators for electroless copper deposition, the particles are found to exhibit excellent activity. (ncl.edu.tw)
We use self-assembly, driven by interactions between nanoscopic species (micelles, nanoparticles, polymers) in solution and at interfaces to form materials with organized structures from nm to cm. (lu.se)
Complex-shaped Metal Nanoparticles: Bottom-Up Syntheses and Applications" offers a comprehensive review of shaped metal nanoparticles through synthetic strategies, theoretical modelling of growth, discussion of properties and present and future applications. (matthey.com)
Between them, they draw on their considerable expertise in the synthesis of metal and semiconductor nanoparticles, spectroscopy, photonics and applications of nanomaterials, to combine 16 chapters from a large number of specialist authors. (matthey.com)
The properties of nanoparticles are highly dependent on their morphology and thus, a vast number of academic articles have been published tackling the subject of the synthesis of specific shapes of nanomaterials. (matthey.com)
Complex-shaped Metal Nanoparticles: Bottom-Up Syntheses and Applications" aims to bring together this research in one volume giving a sound understanding of the general principles, with copious references to more detailed research papers if required and looking towards potential future applications. (matthey.com)
In addition to synthesis, the chapter also briefly reviews the many analytical methods that are commonly used to characterise nanoparticles and discusses the pros and cons of each method. (matthey.com)
Micelles were then crosslinked into stable nanoparticles that relied only on changes in temperature to drive the transition. (csuohio.edu)
In this sense, biomaterials can be categorized into polymers, liposomes, micelles, dendrimers, and calcium phosphate (CaP) nanoparticles, where each will show a different type of bioactivity. (encyclopedia.pub)
The catalytic nanoparticles were obtained by modified method of reverse micelles of bis-(2-ethylhexyl) sulfosuccinate sodium in isooctane solution that provides the nanoparticle size control in range of 1 to 5 nm. (rplab.ru)
Before temperature treatment during the carbon nanotube synthesis most of the catalyst material agglomerates due to magnetic forces while during the nanotube growth disintegrates into the separate nanoparticles with narrow diameter distribution. (rplab.ru)
The supramolecular self-assembly of these block copolymers into spherical micelles and their stabilisation will afford polymeric nanoparticles with a cleavable group in place at the core-shell interface. (ukri.org)

To achieve a defined pore diameter surfactants are used that form micelles in the synthesis solution. (wikipedia.org)
During the synthesis of MCM-41, surfactants (typically cetyltrimethylammonium bromide (CTAB)) are added to the synthesis solution. (acsmaterial.com)

We report the molecular design, synthesis and characterization of multifunctional unimolecular micelles formed by amphiphilic bottlebrush-like grafted block copolymers with theranostic functions of bright far red/near infrared (FR/NIR) fluorescence and anticancer drug delivery. (rsc.org)
The first specific aim focuses on the synthesis and characterization of peptide amphiphiles that can form nanostructures in water. (grantome.com)
This project focuses on the characterization of 1-octadecanol (monoacyl C18) lipids conjugated to DNA sequences predicted to form G-quadruplex, double helix, or triple helix structures and their effect on stability. (ursinus.edu)
Here I detail, the design, synthesis of the expression, purification and characterization of all the required properties of the constructs. (csuohio.edu)
He then worked as a Post-Doc at the Max Planck Institute of Colloids and Interfaces, Potsdam-Golm (Germany), in 2008 under the supervision of Prof. M. Antonietti and working on the synthesis and structural characterization of hydrothermal carbons from renewable resources. (upmc.fr)

A series of PFTB- g -(PCL- b -POEGMA) polymers with the same conjugated backbone but different lengths of PCL and POEGMA side chains form UMs with different sizes and morphologies. (rsc.org)
For example, the aqueous dispersion RAFT polymerization allows one to obtain a colloidal solution only for a small number of water-soluble monomers which form insoluble polymers during polymerization [ 4 ]. (springer.com)
In this review, we provide an analysis of some of the recent literature reports on the synthesis and applications of pH-responsive polymers. (ogu.edu.tr)
The review consists of various major parts including types of pH-responsive polymers, synthetic methods for their synthesis and their solution behaviors, their nanostructures in aqueous media, applications as LbL nanofilms, delivery devices, controlled release systems, sensors, stabilizers, solubilizers, etc. (ogu.edu.tr)
set A set B set C . Introduction of a co-initiator such as alcohols is a means to insure the reproducibility of the synthesis, and to tailor the molar mass of polymers. (anon.co.kr)

Two sets of experiments were conducted to study dehydration reactions of model lipid precursors in aqueous media to form acyl polyols and wax esters, and to evaluate the stability and reactions of the products at elevated temperatures. (nih.gov)
The results indicate that condensation reactions and abiotic synthesis of organic lipid compounds under hydrothermal conditions occur easily, provided precursor concentrations are sufficiently high. (nih.gov)
Illustration of the conformation of bile acids around a central lipid, forming a micelle. (randox.com)
The endogenous pathway of lipid metabolism begins with the synthesis of very low lipoprotein (VLDL) by the liver (Figure 2). (nihatodabasi.com)
Carboxylic acids and glycerol feed into physiological pathways like the citric acid cycle, sugar synthesis, and lipid synthesis. (europa.eu)
The molecule can form lipid bilayers in aqueous solutions and is used to generate micelles, liposomes, and other artificial membranes. (axispharm.com)
The potential to control the stability of these micelles using DNA allows for the use of oligonucleotide-lipid conjugate treatments. (ursinus.edu)
Micelles made of these DNA-lipid conjugates were assembled via thin-film hydration, and their size was measured using dynamic light scattering. (ursinus.edu)
Investigating micelle stability using oligonucleotide-lipid conjugates will aid in achieving the desired durations of cargo release for many different therapeutic strategies. (ursinus.edu)

In this context, nanoparticulate systems (liposomes, micelles, polymer-based NPs, etc.) have attracted the interest of many researchers and numerous systems have been developed ( 1 ). (frontiersin.org)

The surfactant first forms rod-like micelles that subsequently align into hexagonal arrays. (wikipedia.org)
In the Ru case, the time to form particles is found to be shorter than that to form Pd, Pt or Ag particles and particles diameters are always around 2 nm regardless of the surfactant used. (ncl.edu.tw)
The surfactant initially forms rod-shaped micelles that eventually align together in hexagonal arrays. (acsmaterial.com)
We discovered that these DNA dendrimers can associate to form micelle-dendrimers, whereby the extent of association can be modulated through changing surfactant concentration and dendrimer length. (jawschem.com)

Amphipathic compounds such as fatty acids and acyl glycerols are important candidates for micelle/bilayer/vesicle formation. (nih.gov)
Mouse-over the vesicle or micelle to see the whole structure. (exploringorigins.org)
The process by which fatty acid micelles may form a vesicle is shown in this animation. (exploringorigins.org)
Depending on the solution pH, such copolymers can self-assemble and form various nanosized structures including core-shell micellar structures, micelles/reverse micelles, hollow spheres, vesicle structures, adsorbed species at the water-air interface, and more complex architectures. (ogu.edu.tr)

Dynamic light scattering indicates that the copolymer forms coexisting spherical and cylindrical micelles in both of the pure solvents. (projectsparadise.com)
The term "micellar" refers to the structure of the casein protein, which forms micelles, small spherical structures that are dispersed in milk. (marchon.co.uk)
Its unique structure forms micelles, small spherical structures dispersed in milk. (marchon.co.uk)
These water-soluble, flexible yet robust spherical shell layers can be described as nanocages or nanocapsules.The methodlogy described above allows for the synthesis of 3-D cage structures whose interior surface contains the specific incorporation of multiple reactive groups which are available for further chemistries. (ukri.org)

1991). The representative example involves the synthesis of PCL-b-(PMMA-co-PSt)-b-PCL.270 A polymeric thermal iniferter, PCL-substituted tetraphenylethane, was prepared by anionic polymerization of CL in the presence of aluminum triisopropoxide and benzopinacol. (anon.co.kr)

Vesicles and micelles, shown on the right, are structures that can be formed by fatty acids or phospholipids. (exploringorigins.org)
When phospholipids are placed in water, the molecules spontaneously arrange such that the tails are shielded from the water, resulting in the formation of membrane structures such as bilayers, vesicles, and micelles (illustrated on the right). (exploringorigins.org)
Similar to phospholipids, fatty acids have a hydrophobic tail and hydrophilic head, and can thus form the same types of structures, such as bilayers, vesicles and micelles, but are structurally much simpler and may have formed more readily in a prebiotic environment. (exploringorigins.org)
Relatively high concentrations of fatty acids are required, however, to form higher order structures such as micelles and vesicles. (exploringorigins.org)
Using circular dichroism, DNA-DNA interactions were analyzed to confirm the formation of characteristic DNA structures upon micelle assembly. (ursinus.edu)
Preliminary results indicate that G-quadruplex structures give the micelle the most stability while triple helices confer the least amount of stabilization. (ursinus.edu)

The amphiphilic and branched nature of these grafted block copolymers enabled the formation of unimolecular micelles (UMs) that were well dispersible in aqueous media. (rsc.org)
Such particles are formed in a colloidal solution of amphiphilic macromolecules of narrowly dispersed block copolymers in a selective solvent that selectively dissolves one of the blocks. (springer.com)
Unlike other previous works, our use of amphiphilic guaiacylglycerol β- O -4 substrate (I) enables the formation of micelles. (biomedcentral.com)
The project research goals will be achieved using the application of reversible chemistries in the synthesis of the amphiphilic block copolymers. (ukri.org)

This configuration involved the transformation of the liquid crystal phase of the micelle molecules from micellar to lamellar. (ncl.edu.tw)
Earlier forms of life probably needed a membrane compartment for many of the same reasons that modern cells do: to keep molecules that are important for cellular growth and survival readily accessible, and to keep unneeded or potentially harmful molecules outside of the cell. (exploringorigins.org)
Some scientists have proposed that hydrothermal vents may have been sites where prebiotically important molecules, including fatty acids, were formed. (exploringorigins.org)
Micellar casein is composed of soap-bubble like molecules (micelles) that form a bolus in the stomach when consumed. (ugfreak.to)

Rather than being made up of phospholipids, however, early membranes may have formed from fatty acids. (exploringorigins.org)
Cholesterol, ordinarily insoluble in water, comes into solution by forming vesicles with phospholipids (principally lecithin) or mixed micelles with bile salts and phospholipids. (medscape.com)
The lack of phospholipids produces unstable micelles that have a toxic effect on the bile ducts, leading to bile duct plugs and biliary obstruction. (medscape.com)

Additionally, bile acids are crucial for the absorption of fat-soluble vitamins, such as vitamins A, D, E, and K. These vitamins are incorporated into micelles, facilitated by the presence of bile acids, enabling their uptake 3 . (randox.com)
Dietary triglycerides are hydrolyzed by lipases within the intestinal lumen and emulsified with bile acids to form micelles. (nihatodabasi.com)
Lithocholic acid is formed by 7-dehydroxylation of the dihydroxy bile acids (ursodiol and chenodiol) in the gut lumen. (nih.gov)

Fatty acids may have formed near hydrothermal vents. (exploringorigins.org)
How might fatty acids have formed on the early Earth? (exploringorigins.org)
The animation on the left shows a theoretical scenario in which fatty acids are formed along the face of a geyser. (exploringorigins.org)
It is also possible that droplets of fatty acids may have become aerosolized, as shown in the animation on the left, allowing the dry fatty acid particulate to travel long distances away from its original site of synthesis. (exploringorigins.org)
At relatively low concentrations, fatty acids will form micelles, which can be thought of as tiny spheres of fatty acids, organized such that the tails of the fatty acid point towards the center of the sphere. (exploringorigins.org)
Unlike long chain triglycerides (LCT), where long chain fatty acids (LCFA) form micelles and are absorbed via the thoracic lymph duct, MCFA are most often transported directly to the liver through the portal vein and do not necessarily form micelles. (europa.eu)

In this talk, I will discuss the synthesis of a series of nanoparticle superlattices based upon structurally reconfigurable DNA dendrimers, each of which presents a well-defined number of single-stranded oligonucleotides (i.e., sticky ends) on their surface. (jawschem.com)

Because these micelles have a hydrophobic core, they can hold therapeutics that are hydrophobic in nature. (ursinus.edu)
The presence of MPs in the hydrophobic cell membrane makes them difficult to be isolated in their functional forms and to be crystallized for further steps to a 3D-structure resolution and ultimately to be used as targets in the structure-based drug design approaches. (scholarsresearchlibrary.com)

The GA-mPEG 2000 conjugates self-assembled to form nanosized micelles, with mean diameters of less than 50 nm, and a very narrow particle size distribution. (dovepress.com)
Eighty percent of lithocholic acid formed in the small bowel is excreted in the feces, but the 20% that is absorbed is sulfated at the 3-hydroxyl group in the liver to relatively insoluble lithocholyl conjugates which are excreted into bile and lost in feces. (nih.gov)
Lithocholic acid causes cholestatic liver injury and can cause death from liver failure in certain species unable to form sulfate conjugates. (nih.gov)

We report on a method of synthesis of single-walled carbon nanotubes percolated networks on silicon dioxide substrates using monodisperse Co and Ni catalyst. (rplab.ru)
These aVD-loaded filaments underwent morphological transitions to release monodisperse drug-loaded micelles upon oxidation. (frontiersin.org)

Presented in this study is a fully protein based self-assembling nanoparticle system based on micelles of ELPs for use in theranostic applications. (csuohio.edu)

Diverse nanostructures, micelles and fibers, will be prepared and characterized using transmission electron microscopy and atomic force microscopy among other approaches. (grantome.com)
Their self-assembly behaviors open the door for the production of various novel nanostructures including shell/core cross-linked micelles, hollow spheres, hydrogels, microgels, layer-by-layer (LbL) nanofilms, controlled releasing systems, drug carrier systems, etc. (ogu.edu.tr)

Micelle stability was tested using fluorescence resonance energy transfer. (ursinus.edu)

At present, one of the simplest and most affordable methods for preparing such a colloidal solution is heterophase-controlled polymerization occurring by the reversible addition−fragmentation chain transfer ( RAFT ) mechanism, which makes it possible to simultaneously control the molecular characteristics of the synthesized block copolymer and tune the size and morphology of the resulting micelles in the nanoscale. (springer.com)

The chapter provides a useful introduction to topics such as the use of hard templates, for example aluminium oxide porous membranes, and soft templates, for example micelles, to control the growth of the particles. (matthey.com)

Our findings suggest that GA-mPEG 2000 micelles may have promising applications in tumor therapy. (dovepress.com)

When successed to synthesize in a nanoparticulate form, chitosan has found to be a very effective biomaterial for drug delivery purposes owing to its extremely attractive characteristics such as its positive charge and pH sensitivity in aqueous medium. (iyte.edu.tr)

This cylinder-to-micelle transition was characterized in vitro by cryogenic transmission electron microscopy (CryoTEM) and small angle X-ray scattering (SAXS). (frontiersin.org)

MCM-41 consists of a regular arrangement of cylindrical mesopores that form a one-dimensional pore system. (wikipedia.org)

Treating the uranium(VI) trans-bis(imido), UI2(NDIPP)2(THF)3 (DIPP=2,6-diisopropylphenyl), with tert-butyl(dimethylsilyl)amide (NTSA) results in reduction and rearrangement to form the uranium(IV) cis-bis(imido), [U(NDIPP)2(NTSA)2]K2. (jawschem.com)

Ultimately, this organic template oxidizes and disappears, leaving behind fully-formed MCM-41. (acsmaterial.com)
These ethylhexanoate complexes are used in organic and industrial chemical synthesis. (anon.co.kr)

Rarely, a failure to convert a proenzyme to its active form, such as enterokinase and trypsinogen deficiencies, also can cause protein maldigestion and malabsorption. (medscape.com)
This means longer hyperaminoacidemia for protein synthesis. (ugfreak.to)
It's worth the trouble, though, because micellar casein is the only protein that's been shown in lab studies to actually be anti-catabolic, meaning not only does it increase protein synthesis, it helps prevent muscle breakdown during and after intense exercise. (ugfreak.to)
Micelle forming ELP constructs have been modified through the fusion of the protein based MRI contrast agent CA1.CD2 to the C terminal of existing protein constructs. (csuohio.edu)
Due to its slow digestion, micellar casein can help support muscle protein synthesis for a more extended period, promoting muscular repair and growth. (marchon.co.uk)
Muscle protein synthesis: It supports muscle repair and growth over a longer period. (marchon.co.uk)

Pathway defects in lipoprotein synthesis, processing, and clearance can lead to accumulation of atherogenic lipids in plasma and endothelium. (nihatodabasi.com)
Lipids, due to their amphipathic makeup, self-assemble into small, nearly identical vesicles called micelles. (ursinus.edu)

The problem can be solved by obtaining a colloidal solution of a block copolymer in a medium in which a homophase solution is formed at elevated temperatures of polymerization. (springer.com)
Small-angle neutron scattering experiments showed that these substrates form micelles in solution. (biomedcentral.com)

As a Post-Doc, he worked at the Institut Charles Gerhardt in Montpellier (France) in 2007 under the supervision of Dr. C. Gérardin and working on the development of mesoporous silica templated by reversible polyion complex micelles. (upmc.fr)

The strongest red luminescence comes from 1:3 material sample ratios prepared at 900°C. The understanding of the chemistry behind the reactions and the characterisation and properties of the products formed are the major aims of the work reported here. (bentham.co.uk)
I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
I received my undergraduate degree in chemistry from Michigan State University, while there I worked with Dr. James K. McCusker on the synthesis of iron(II) bipyridyl complexes. (jawschem.com)

MTT (3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyl tetrazolium bromide) tests demonstrated that the GA-mPEG 2000 micelle formulation had obvious cytotoxicity to tumor cells and human umbilical vein endothelial cells. (dovepress.com)

The editors are pleasingly frank about the limitations of the synthetic methods and emphasise the need for post-synthesis separation due to the prevalence of polydisperse particles in many of the preparations. (matthey.com)

These micelles form templates that help build up the mesoporous framework. (wikipedia.org)

The synthesis methodologies are introduced by the means of reduction, with a heavy emphasis on chemical reduction but also including electrochemical, photochemical and biochemical routes. (matthey.com)

Further, GA-mPEG 2000 micelles were effective in inhibiting tumor growth and prolonged survival in subcutaneous B16-F10 and C26 tumor models. (dovepress.com)

Impaired micelle formation causes a problem in fat solubilization and subsequent fat malabsorption. (medscape.com)
After this synthesis was confirmed using 31 P-NMR, DNA was conjugated, and its formation was corroborated via reverse-phase high-performance liquid chromatography. (ursinus.edu)
Nucleation, the initial step in gallstone formation, is the transition of cholesterol from a soluble state into a solid crystalline form. (medscape.com)

An investigation of the synthesis and properties of nano crystalline Y2O3: Eu3+ (prepared using micelle-based precursors). (bentham.co.uk)
Herein combustion syntheses to prepare nanometer sized crystallites of cubic Y2O3:Eu3+ using precursors containing sacrificial long chain alkylammonium cations (the fuel) are reported. (bentham.co.uk)
An investigation of the synthesis and properties of nano crystalline Y2O3: Eu3+ (prepared using micelle-based precursors) (Doctoral dissertation). (bentham.co.uk)

Therefore, it is necessary to develop structural modifications or a new dosage form of gambogic acid. (dovepress.com)

I am working on the synthesis of uranyl imido and high-valent uranium multiple imido complexes. (jawschem.com)

Although the synthesis process influences pore size and structure, factors such as the amount and size of the pores are primarily a function of the composition of the raw materials and the sintering conditions. (encyclopedia.pub)

These independently adjustable mesopores form a unique, one-dimensional pore system that has sharp, well-defined pore distribution and large surface and pore volume. (acsmaterial.com)

In addition, a membrane may have played an important role in the early cell's ability to store energy in the form of a chemical gradient. (exploringorigins.org)

A) High blood pressure promotes the … These drugs inhibit HMG-\(\ce{CoA}\) reductase and thus decrease cholesterol synthesis. (nihatodabasi.com)

Experiments in the Szostak lab have shown that vesicles grow rapidly in the presence of micelles. (exploringorigins.org)

1,2-Dilauroyl-sn-glycero-3-phosphoglycerol sodium salt (DLPG) CAS:73548-69-3 is a form of phosphatidylglycerol (PG) containing lauric acid (a 12-chain fatty acid). (axispharm.com)

Chemicals and Drugs7

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Technology, Industry, Agriculture2

Nanoparticles13

Surfactants2

Characterization5

Polymers5

Lipid9

Liposomes1

Surfactant4

Vesicle4

Spherical4

Polymeric1

Structures6

Amphiphilic4

Molecules4

Phospholipids3

Bile acids3

Fatty Acids6

Dendrimers1

Hydrophobic2

Conjugates3

Monodisperse2

Theranostic1

Nanostructures2

Stability1

Morphology1

Membranes1

Tumor therapy1

Nanoparticulate1

Transmission electron m1

Cylindrical1

Amide1

Organic2

Protein6

Lipids2

Solution2

Reversible1

Chemistry3

Bromide1

Particles1

Mesoporous1

Reduction1

Growth1

Formation3

Precursors3

Structural1

Complexes1

Structure1

Mesopores1

Chemical1

Cholesterol1

Experiments1

Sodium1